.Gobang {
    display: inline-block;
    min-width: 1000px;
    height: 100%;
}
.gb_container {
    float: left;
    width: 580px;
    height: 586px;
    margin: 0 auto;
}
.systemDialog {
    margin-left: 50px;
    float: left;
    /* border:1px solid #ccc; */
    width: 360px;
    height: 566px;
    padding-top: 4px;
}